Verify Communication MVI56E-MCM ♦ ControlLogix Platform
User Manual Modbus Communication Module
Page 70 of 209 ProSoft Technology, Inc.
4.1.1 MVI56E-MCM Status Data Definition as a Master
This section contains a description of the members present in the MCM.STATUS
object. This data is transferred from the module to the processor as part of each
read block using the module's input image. Sample Ladder Logic will copy this
information from the LOCAL: X: I.DATA {OFFSET} tag into the MCM.STATUS
array.
This value is incremented each time a complete program
cycle occurs in the module.
These two registers contain the product code of "MCM".
These two registers contain the product version for the
current running software.
These two registers contain the month and year values for
the program operating system.
These two registers contain the run number value for the
currently running software.
Port 1 Command List
Requests
This field contains the number of requests made from this
port to Slave devices on the network.
Port 1 Command List
Response
This field contains the number of Slave response messages
received on the port.
Port 1 Command List
Errors
This field contains the number of command errors processed
on the port. These errors could be due to a bad response or
command.
This field contains the total number of messages sent from
the port.
This field contains the total number of messages received on
the port.
This field contains the total number of message errors sent
from the port.
This field contains the total number of message errors
received on the port.
Port 2 Command List
Requests
This field contains the number of requests made from this
port to Slave devices on the network.
Port 2 Command List
Response
This field contains the number of Slave response messages
received on the port.
Port 2 Command List
Errors
This field contains the number of command errors processed
on the port. These errors could be due to a bad response or
command.
This field contains the total number of messages sent out the
port.
This field contains the total number of messages received on
the port.
This field contains the total number of message errors sent
out the port.
This field contains the total number of message errors
received on the port.
This field contains the total number of read blocks
transferred from the module to the processor.